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The Daily Insight

How did my indoor cat get an ear infection?

Author

Daniel Lopez

Updated on March 16, 2026

Causes of Ear Infection in Cats

Ear infections can develop when the skin lining in the ear canal becomes irritated, leading to inflammation. Inflammation can lead to excess wax production which in turn creates an environment where the naturally occurring bacteria and yeast grow out of control.

What causes ear infection in cats?

Cat ear infections are usually the result of overgrown bacteria, yeast, or both. They can also be caused by: Food or environmental allergies. Wax build-up.

How can I treat my cats ear infection?

How Are Ear Infections in Cats Treated? If your vet determines that your cat has ear mites or a yeast or bacterial infection, they'll treat it with anti-parasitics, antifungals, or antibiotics, as appropriate. These all come in ointment or eardrop form.

Is it common for cats to get ear infections?

Ear infections are uncommon in cats but when they do strike the underlying cause can be serious. That's why it is essential to seek treatment for your kitty's ear infection as early as possible. An easy to treat outer ear infection can quickly spread to the middle ear and onto your cat's inner ear.

Is a cat ear infection an emergency?

An ear infection is an emergency when your pet is in pain, you cannot touch or look in your dog's ear, the ear is red and swollen, and/or your dog has a head tilt. All ear infections should be examined and treated by a veterinarian.

Cat Ear Mites: 3 New Remedies

How long does it take for an ear infection in a cat to heal?

Most ear infections in cats can be treated with medical management in 1-2 weeks. While complications such as ruptured ear drums and middle and inner ear involvement can lead to hearing loss, most ear infection symptoms resolve with treatment.

Can indoor cats get ear mites?

Ear mites are the leading cause of feline ear problems. These microscopic parasites can be extremely itchy for your pet if undiagnosed. Whether your cat is an outdoor or indoor cat, they can be easily affected by these mites.

Is ear infection in cats painful?

Ear infections cause pain and discomfort, and the ear canals are sensitive. Many cats will shake their head and scratch their ears attempting to remove the debris and fluid from the ear canal. The ears often become red and inflamed and may develop an offensive odor. A black or yellow discharge is commonly observed.

Is cat ear infection contagious to humans?

Recognizing the first signs of an ear mite infection in animals can protect you and others in the household. Although human transmission is rare, it's still possible. If you notice a dark discharge from your animal's ears or frequent head-scratching, see your veterinarian immediately.

Can food allergies cause ear infections in cats?

Common Sources of Food Allergies

In dogs and cats, classic signs of pet food allergies are called “rears and ears” symptoms and include: Recurring ear infections, especially yeast infections.

How much does a vet charge for an ear infection?

The cost of ear infection treatment varies depending on your location and veterinary practice — but otitis externa treatments, which usually include the exam, ear cleaning and medicine, typically cost between $100 and $175.

What is the brown stuff in my cat's ears?

As with humans, it's completely normal for a small amount of earwax to form in your cat's ears. However, excessive wax buildup can occur if your kitty has allergies, a bacterial infection, systemic inflammation, ear mites, or a yeast infection. A cat's brown earwax often resembles dirt or dried blood inside the ears.

What is the black gunk in my cat's ears?

Some cats are more bothered by ear mites than others. Mites also stimulate the wax producing glands inside the ear canal. The result is a black, crusty build-up in the ears that resembles coffee grounds. This discharge is made of blood, wax, debris, and mites themselves.

How much does it cost to treat cat ear infection?

Depending on each individual case, the cost to treat a dog or cat ear infection will vary greatly, but can initially cost anywhere from $50 to $300.

What kills ear mites on bedding?

While ear mites don't live long when not inside your pet's ear, it is best to make sure all your bedding and blankets are clean and ear mite free. Wash them in hot soapy water. Spray your pet's bedding. There are products available meant to kill fleas, ticks, and mites on household surfaces.

How do indoor single cats get ear mites?

Ear mites easily spread from cat to cat through physical contact; when an infected cat comes into contact with another cat, the ear mites crawl off the infected cat and onto the other cat.

Where do indoor cats get mites?

Outdoor cats are more prone to catch them from other cats while wrestling around or snuggling (basically any social interaction with an infected cat), but indoor cats can also catch them from the toys or bedding of other infected cats.

How do you tell if your cat has ear mites or just dirty ears?

How to Tell the Difference Between Ear Mites and Ear Wax in Cats

  1. Wax in both normal cats and cats infected with mites is brown.
  2. The normal type of wax is a lighter brown color and does not give off an odor.
  3. The wax in a cat with ear mites is darker brown or black and is described as looking like coffee grounds.

How do you clean inside a cat's ears?

Use gauze to clean, wipe, and dry the inside of your cat's ears. You can pick up gauze squares at most human pharmacies. You can also use cotton balls, cotton makeup rounds, or even a tissue. Just don't use cotton swabs to clean out your cat's ears, as you could damage their eardrums.

What does a yeast infection look like in cats ears?

A thick brown or black discharge is a hallmark of yeast infection, although other types of ear infections and also ear mites can result in a dark discharge. Ears and skin with Malassezia overgrowth or infection often have an odor and some owners become adept at recognizing the yeasty smell.

Can you clean cats ears with Q Tip?

Never use vinegar or hydrogen peroxide to clean your cat's ears — these substances just aren't safe for your kitty. Also, never use cotton-tipped swabs, like Q-tips, in a cat's ear at home. It's just too easy to push debris and wax further down into the ear canal.

What ear mites look like in cats?

They look like tiny white dots, but can barely be seen with the naked eye. Ear mites live on the skin of the ear canal and feed off ear wax and skin oils. An adult normally lives for around two months, but they can multiply quickly.

Can you get antibiotic ear drops over the counter?

Some prescription-only ear drops can effectively relieve earache caused by an outer ear infection (otitis externa). There is no evidence that over-the-counter disinfectant ear drops are as effective. Outer ear infections are among the most common causes of earaches. They are usually caused by bacteria.

Are ear infections covered by pet insurance?

Here's what is commonly covered by the best pet insurance plans: Accidents and injuries, such as poisonings, sprains and ACL ruptures. Chronic illnesses such as allergies, arthritis and skin conditions. Common illnesses such as ear infections, vomiting and diarrhea.